/* roulang page: index */
:root {
      --c-primary: #3E7CB1;
      --c-primary-hover: #326A97;
      --c-primary-soft: #E8F1F8;
      --c-wood: #8A5A3B;
      --c-wood-soft: #C4A574;
      --c-linen: #F3EEE6;
      --c-bg: #F7F8FA;
      --c-card: #FFFFFF;
      --c-dark: #1F2A36;
      --c-dark-2: #2A3644;
      --c-text: #1C232A;
      --c-muted: #5E6772;
      --c-white: #F8FAFC;
      --c-line: #E4E0D8;
      --c-border: #D9DEE5;
      --c-danger: #B42318;
      --radius-card: 12px;
      --radius-btn: 7px;
      --radius-sm: 6px;
      --shadow: 0 10px 28px rgba(31, 42, 54, .08);
      --shadow-hover: 0 16px 34px rgba(31, 42, 54, .13);
      --shadow-nav: 0 8px 20px rgba(31, 42, 54, .06);
      --container: 1220px;
      --gutter: 24px;
      --topbar-h: 42px;
      --nav-h: 66px;
      --z-nav: 120;
      --z-drawer: 160;
      --z-modal: 240;
      --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
      --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --ease: .22s ease;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font-sans);
      color: var(--c-text);
      background: var(--c-bg);
      line-height: 1.75;
      font-size: 16px;
      overflow-x: hidden;
    }
    body.menu-open { overflow: hidden; }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--c-primary); text-decoration: none; transition: color var(--ease); }
    a:hover { color: var(--c-primary-hover); }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--c-primary);
      outline-offset: 2px;
    }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3, h4 { font-family: var(--font-serif); color: var(--c-text); line-height: 1.28; margin: 0 0 .6em; font-weight: 600; }
    p { margin: 0 0 1em; color: var(--c-muted); }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    .skip-link {
      position: absolute; left: -999px; top: 8px; z-index: 400;
      background: var(--c-primary); color: #fff; padding: 8px 14px; border-radius: var(--radius-sm);
    }
    .skip-link:focus { left: 8px; }
    .container { width: min(100% - 32px, var(--container)); margin: 0 auto; }
    .section { padding: 104px 0; }
    .section-sm { padding: 72px 0; }
    .section-head { max-width: 760px; margin-bottom: 40px; }
    .section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
    .kicker {
      display: inline-block;
      color: var(--c-wood);
      font-size: 13px;
      letter-spacing: .12em;
      font-weight: 600;
      margin-bottom: 10px;
      font-family: var(--font-sans);
    }
    .section h2 { font-size: 34px; margin-bottom: 14px; }
    .lead { font-size: 16px; color: var(--c-muted); }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 0 20px; border-radius: var(--radius-btn);
      font-size: 15px; font-weight: 600; letter-spacing: .02em;
      transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }
    .btn-primary { background: var(--c-primary); color: #fff; }
    .btn-primary:hover { background: var(--c-primary-hover); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
    .btn-primary:active { transform: translateY(0); }
    .btn-ghost { background: #fff; color: var(--c-primary); border: 1px solid var(--c-primary); }
    .btn-ghost:hover { background: var(--c-primary-soft); color: var(--c-primary-hover); transform: translateY(-2px); }
    .btn-wood { background: transparent; color: var(--c-linen); border: 1px solid var(--c-wood-soft); }
    .btn-wood:hover { background: rgba(196, 165, 116, .12); color: #fff; }
    .btn-block { width: 100%; }
    .tag {
      display: inline-flex; align-items: center; height: 26px; padding: 0 10px;
      border-radius: 999px; background: var(--c-linen); color: var(--c-wood);
      font-size: 12px; font-weight: 600;
    }
    .tag-blue { background: var(--c-primary-soft); color: var(--c-primary-hover); }
    .site-header { position: relative; z-index: var(--z-nav); }
    .topbar {
      height: var(--topbar-h); background: var(--c-dark); color: #C9D3DC;
      font-size: 13px; display: flex; align-items: center;
    }
    .topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
    .topbar-left, .topbar-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .topbar a { color: #E8EEF3; }
    .topbar a:hover { color: #fff; }
    .topbar .cta-mini {
      color: #fff; background: var(--c-primary); height: 28px; padding: 0 12px;
      border-radius: 5px; display: inline-flex; align-items: center; font-weight: 600;
    }
    .topbar .cta-mini:hover { background: var(--c-primary-hover); color: #fff; }
    .mainnav {
      background: #fff; height: var(--nav-h); border-bottom: 1px solid #EEF1F4;
      display: flex; align-items: center;
    }
    .mainnav.is-sticky {
      position: sticky; top: 0; box-shadow: var(--shadow-nav); z-index: var(--z-nav);
    }
    .mainnav .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
    .logo { display: flex; align-items: center; gap: 10px; color: var(--c-text); }
    .logo:hover { color: var(--c-text); }
    .logo-mark {
      width: 36px; height: 36px; border-radius: 8px;
      background: linear-gradient(160deg, #4A88BB, #3E7CB1);
      color: #fff; display: grid; place-items: center;
      font-family: var(--font-serif); font-weight: 700; font-size: 16px;
    }
    .logo-name { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-name strong { font-family: var(--font-serif); font-size: 18px; font-weight: 700; }
    .logo-name span { font-size: 11px; color: var(--c-wood); letter-spacing: .18em; font-weight: 600; }
    .nav-links { display: flex; align-items: center; gap: 4px; }
    .nav-links a {
      color: var(--c-text); font-size: 14px; font-weight: 500; padding: 8px 10px;
      position: relative; min-height: 44px; display: inline-flex; align-items: center;
    }
    .nav-links a::after {
      content: ""; position: absolute; left: 10px; right: 10px; bottom: 6px; height: 2px;
      background: var(--c-primary); transform: scaleX(0); transform-origin: left; transition: transform var(--ease);
    }
    .nav-links a:hover, .nav-links a.is-active { color: var(--c-primary); }
    .nav-links a.is-active::after, .nav-links a:hover::after { transform: scaleX(1); }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border-radius: 8px; border: 1px solid var(--c-border);
      align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .menu-toggle span { width: 18px; height: 2px; background: var(--c-text); display: block; }
    .drawer {
      position: fixed; inset: 0; background: rgba(31, 42, 54, .46); z-index: var(--z-drawer);
      opacity: 0; pointer-events: none; transition: opacity .2s ease;
    }
    .drawer.open { opacity: 1; pointer-events: auto; }
    .drawer-panel {
      position: absolute; right: 0; top: 0; height: 100%; width: min(86vw, 360px);
      background: #fff; padding: 24px 22px 32px; transform: translateX(100%); transition: transform .24s ease;
      overflow-y: auto;
    }
    .drawer.open .drawer-panel { transform: translateX(0); }
    .drawer-panel a {
      display: flex; align-items: center; min-height: 48px; border-bottom: 1px solid #F0F2F5;
      color: var(--c-text); font-weight: 600;
    }
    .hero {
      position: relative; min-height: calc(100vh - var(--topbar-h) - var(--nav-h));
      display: flex; align-items: center; color: var(--c-white); overflow: hidden;
      padding: 56px 0 64px;
    }
    .hero-slides { position: absolute; inset: 0; }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; transition: opacity .7s ease;
    }
    .hero-slide.is-active { opacity: 1; z-index: 1; }
    .hero-slide img { width: 100%; height: 100%; object-fit: cover; }
    .hero-mask {
      position: absolute; inset: 0; z-index: 2;
      background: linear-gradient(90deg, rgba(20, 28, 36, .78) 0%, rgba(20, 28, 36, .48) 48%, rgba(20, 28, 36, .28) 100%);
    }
    .hero .container { position: relative; z-index: 3; display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: center; }
    .hero-ask {
      display: inline-block; background: rgba(138, 90, 59, .22); border: 1px solid rgba(196, 165, 116, .45);
      color: #F3EEE6; padding: 6px 12px; border-radius: 999px; font-size: 13px; margin-bottom: 16px;
    }
    .hero h1 { color: #fff; font-size: 44px; max-width: 16em; margin-bottom: 16px; }
    .hero-copy p { color: #D5DCE3; font-size: 16px; max-width: 38em; }
    .hero-actions { display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
    .hero-form {
      background: #fff; color: var(--c-text); border-radius: 14px; padding: 22px 22px 18px;
      box-shadow: var(--shadow-hover);
    }
    .hero-form h3 { font-size: 22px; margin-bottom: 6px; }
    .hero-form .form-note { font-size: 13px; color: var(--c-muted); margin-bottom: 14px; }
    .hero-controls {
      position: absolute; z-index: 4; left: 0; right: 0; bottom: 22px;
    }
    .hero-controls .container { display: flex; align-items: center; justify-content: space-between; }
    .dots { display: flex; gap: 8px; }
    .dots button {
      width: 28px; height: 4px; border-radius: 4px; background: rgba(255,255,255,.35);
    }
    .dots button.is-active, .dots button:hover { background: #fff; }
    .arrow-group { display: flex; gap: 8px; }
    .icon-btn {
      width: 44px; height: 44px; border-radius: 8px; border: 1px solid rgba(255,255,255,.35);
      color: #fff; display: grid; place-items: center; background: rgba(255,255,255,.08);
    }
    .icon-btn:hover { background: rgba(255,255,255,.18); }
    .form-grid { display: grid; gap: 12px; }
    .form-grid.two { grid-template-columns: 1fr 1fr; }
    label { display: block; font-size: 13px; font-weight: 600; color: var(--c-text); margin-bottom: 6px; }
    input, select, textarea {
      width: 100%; min-height: 44px; border: 1px solid var(--c-border); border-radius: var(--radius-sm);
      padding: 8px 12px; background: #fff; color: var(--c-text); font-size: 15px;
    }
    textarea { min-height: 88px; resize: vertical; }
    input:hover, select:hover, textarea:hover { border-color: #B9C4CF; }
    .error { color: var(--c-danger); font-size: 12px; min-height: 16px; margin-top: 4px; }
    .calendar-wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: stretch; }
    .week-board {
      background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow); padding: 22px;
    }
    .week-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; }
    .day-cell {
      border: 1px solid var(--c-line); border-radius: 10px; padding: 10px 8px; min-height: 92px; background: var(--c-bg);
    }
    .day-cell strong { display: block; font-size: 13px; }
    .day-cell span { display: block; font-size: 12px; color: var(--c-muted); margin-top: 6px; }
    .day-cell.open { background: var(--c-primary-soft); border-color: #C5D8E8; }
    .day-cell.busy { background: var(--c-linen); }
    .slot-list { display: flex; flex-direction: column; gap: 12px; }
    .slot-item {
      background: #fff; border-radius: 12px; box-shadow: var(--shadow); padding: 16px 18px;
      display: grid; grid-template-columns: 92px 1fr auto; gap: 12px; align-items: center;
    }
    .slot-item b { color: var(--c-primary); font-size: 18px; font-family: var(--font-serif); }
    .bento { display: grid; grid-template-columns: 1.4fr 1fr 1fr; grid-template-rows: 240px 220px; gap: 16px; }
    .bento-card {
      position: relative; border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow);
      color: #fff; display: flex; align-items: flex-end;
    }
    .bento-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .bento-card .shade {
      position: relative; z-index: 1; width: 100%; padding: 18px;
      background: linear-gradient(180deg, transparent, rgba(20,28,36,.78));
    }
    .bento-card h3 { color: #fff; font-size: 22px; margin: 0 0 6px; }
    .bento-card p { color: #E6EAEF; margin: 0; font-size: 14px; }
    .bento-card:nth-child(1) { grid-row: 1 / 3; }
    .bento-card:hover img { transform: scale(1.04); }
    .bento-card img { transition: transform .45s ease; }
    .split { display: grid; grid-template-columns: .92fr 1.08fr; gap: 48px; align-items: center; }
    .split img { width: 100%; height: 460px; object-fit: cover; border-radius: 14px; box-shadow: var(--shadow); }
    .spec-list { margin-top: 18px; display: grid; gap: 10px; }
    .spec-list li {
      display: grid; grid-template-columns: 88px 1fr; gap: 10px; padding: 10px 0;
      border-bottom: 1px solid var(--c-line); font-size: 14px;
    }
    .spec-list b { color: var(--c-wood); font-weight: 600; }
    .service-bento {
      display: grid; grid-template-columns: 1.2fr 1fr 1fr; grid-auto-rows: 210px; gap: 16px;
    }
    .service-bento article:nth-child(1) { grid-column: 1 / 2; grid-row: 1 / 3; }
    .service-bento article:nth-child(2) { grid-column: 2 / 4; }
    .svc {
      position: relative; overflow: hidden; border-radius: var(--radius-card); box-shadow: var(--shadow);
      background: #fff; color: var(--c-text); display: flex; flex-direction: column; justify-content: flex-end;
    }
    .svc img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .svc .body {
      position: relative; z-index: 1; padding: 16px 18px;
      background: linear-gradient(180deg, transparent 10%, rgba(255,255,255,.94) 58%, #fff 100%);
    }
    .svc h3 { font-size: 20px; margin-bottom: 4px; }
    .svc p { margin: 0; font-size: 13px; }
    .adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .adv-card {
      background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow); padding: 22px;
      transition: transform var(--ease), box-shadow var(--ease);
    }
    .adv-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .adv-no { color: var(--c-primary); font-family: var(--font-serif); font-size: 20px; font-weight: 700; }
    .adv-card h3 { font-size: 20px; margin: 8px 0 8px; }
    .adv-card p { margin: 0; font-size: 14px; }
    .timeline {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; position: relative;
    }
    .timeline::before {
      content: ""; position: absolute; left: 8%; right: 8%; top: 28px; height: 2px; background: #D7E4EF;
    }
    .step {
      background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow); padding: 20px 16px 18px; position: relative;
    }
    .step i {
      width: 18px; height: 18px; border-radius: 50%; background: var(--c-primary); display: block; margin-bottom: 18px;
      box-shadow: 0 0 0 6px #fff;
    }
    .step h3 { font-size: 18px; }
    .step p { font-size: 13px; margin-bottom: 8px; }
    .step .meta { font-size: 12px; color: var(--c-wood); font-weight: 600; }
    .prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .prod-card {
      background: #fff; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow);
      display: flex; flex-direction: column; transition: transform var(--ease), box-shadow var(--ease);
    }
    .prod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .prod-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .prod-card .body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .prod-card h3 { font-size: 22px; margin: 0; }
    .params { display: flex; flex-wrap: wrap; gap: 8px; }
    .params span {
      font-size: 12px; background: var(--c-bg); border: 1px solid var(--c-border); border-radius: 999px; padding: 4px 10px; color: var(--c-muted);
    }
    .idea {
      background: var(--c-dark); color: var(--c-white); position: relative; overflow: hidden;
      padding: 108px 0;
    }
    .idea::before {
      content: ""; position: absolute; inset: 0;
      background: url("/assets/images/74f21107d3e156b7.jpg") center/cover no-repeat;
      opacity: .22;
    }
    .idea .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
    .idea h2 { color: #fff; font-size: 36px; }
    .idea p { color: #C9D3DC; }
    .swatches { display: flex; gap: 12px; margin: 18px 0 24px; flex-wrap: wrap; }
    .swatch { width: 64px; text-align: center; color: #D7DDE3; font-size: 12px; }
    .swatch i { display: block; height: 38px; border-radius: 6px; margin-bottom: 6px; border: 1px solid rgba(255,255,255,.12); }
    .wood-line { height: 1px; background: linear-gradient(90deg, transparent, #8A5A3B, transparent); margin: 8px 0 18px; }
    .masonry {
      display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 18px; gap: 16px;
    }
    .case-card {
      grid-row: span 14; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow);
      cursor: pointer; transition: transform var(--ease), box-shadow var(--ease);
    }
    .case-card:nth-child(3n-1) { grid-row: span 16; }
    .case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .case-card img { width: 100%; height: 68%; object-fit: cover; }
    .case-card .info { padding: 12px 14px 14px; }
    .case-card h3 { font-size: 16px; margin: 0 0 6px; }
    .case-card p { font-size: 12px; margin: 0; }
    .group-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; }
    .group-play { background: #fff; border-radius: 14px; box-shadow: var(--shadow); padding: 28px; }
    .progress { height: 8px; background: #E7EDF2; border-radius: 99px; overflow: hidden; margin: 8px 0 6px; }
    .progress b { display: block; height: 100%; background: var(--c-primary); }
    .group-item {
      background: #fff; border-radius: 12px; box-shadow: var(--shadow); padding: 16px 18px; margin-bottom: 12px;
    }
    .story {
      display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; margin-bottom: 36px;
    }
    .story:nth-child(even) { direction: rtl; }
    .story:nth-child(even) > * { direction: ltr; }
    .story img { width: 100%; height: 340px; object-fit: cover; border-radius: 14px; box-shadow: var(--shadow); }
    .review-track {
      display: grid; grid-auto-flow: column; grid-auto-columns: minmax(280px, 1fr); gap: 16px;
      overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px;
    }
    .review-card {
      scroll-snap-align: start; background: #fff; border-radius: 12px; box-shadow: var(--shadow); padding: 20px;
      min-height: 210px;
    }
    .stars { color: #C48A2A; letter-spacing: 2px; font-size: 14px; margin-bottom: 8px; }
    .news-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px; }
    .news-feature, .news-side article {
      background: #fff; border-radius: 12px; box-shadow: var(--shadow); overflow: hidden;
    }
    .news-feature { display: grid; grid-template-columns: 1.1fr .9fr; }
    .news-feature img, .news-side img { width: 100%; height: 100%; object-fit: cover; min-height: 180px; }
    .news-side { display: grid; gap: 16px; }
    .news-side article { display: grid; grid-template-columns: 120px 1fr; }
    .news-txt { padding: 18px; }
    .news-txt time { font-size: 12px; color: var(--c-wood); }
    .metrics {
      background: linear-gradient(90deg, #EAF2F8, #F7F8FA 40%, #F3EEE6);
      padding: 56px 0;
    }
    .metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .metric { text-align: left; padding: 8px 8px 8px 18px; border-left: 3px solid var(--c-primary); }
    .metric b { display: block; font-size: 40px; font-family: var(--font-serif); color: var(--c-primary); line-height: 1.1; }
    .metric span { color: var(--c-muted); font-size: 14px; }
    .logo-wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .partner {
      background: #fff; border-radius: 10px; min-height: 84px; display: grid; place-items: center;
      color: #8A929A; font-weight: 700; letter-spacing: .08em; box-shadow: var(--shadow);
      filter: grayscale(1); transition: filter var(--ease), color var(--ease), transform var(--ease);
    }
    .partner:hover { filter: none; color: var(--c-primary); transform: translateY(-3px); }
    .faq-item { background: #fff; border-radius: 12px; box-shadow: var(--shadow); margin-bottom: 10px; overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; min-height: 56px; padding: 14px 18px; font-weight: 600; font-size: 16px;
      display: flex; justify-content: space-between; gap: 12px; color: var(--c-text);
    }
    .faq-item button span { color: var(--c-primary); font-size: 20px; line-height: 1; }
    .faq-item .panel { display: none; padding: 0 18px 16px; color: var(--c-muted); font-size: 14px; }
    .faq-item.open .panel { display: block; }
    .faq-item.open { border: 1px solid #C5D8E8; }
    .guarantee {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
    }
    .g-item {
      border: 1px solid #C5D8E8; background: #F4F8FB; border-radius: 10px; padding: 16px 14px;
      display: grid; grid-template-columns: 36px 1fr; gap: 10px; align-items: start;
    }
    .g-item b { display: block; font-size: 15px; margin-bottom: 4px; }
    .g-item p { margin: 0; font-size: 13px; }
    .dot-ico {
      width: 28px; height: 28px; border-radius: 50%; background: var(--c-primary); color: #fff;
      display: grid; place-items: center; font-size: 13px; font-weight: 700;
    }
    .contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; }
    .contact-card, .contact-side { background: #fff; border-radius: 14px; box-shadow: var(--shadow); padding: 28px; }
    .contact-side { background: var(--c-dark); color: #D5DCE3; }
    .contact-side h3 { color: #fff; }
    .contact-side a { color: #F3EEE6; }
    .site-footer {
      background: #151C23; color: #A8B3BD; padding: 48px 0 24px; margin-top: 0;
      border-top: 3px solid var(--c-wood);
    }
    .foot-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 28px; margin-bottom: 28px; }
    .site-footer a { color: #D5DCE3; }
    .site-footer a:hover { color: #fff; }
    .foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; }
    .copy { border-top: 1px solid #2A333C; padding-top: 16px; font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
    .lightbox {
      position: fixed; inset: 0; background: rgba(20, 28, 36, .78); z-index: var(--z-modal);
      display: none; align-items: center; justify-content: center; padding: 24px;
    }
    .lightbox.open { display: flex; }
    .lightbox-box { width: min(880px, 100%); background: #fff; border-radius: 14px; overflow: hidden; }
    .lightbox-box img { width: 100%; max-height: 58vh; object-fit: cover; }
    .lightbox-box .txt { padding: 18px 20px 22px; }
    .form-ok { display: none; background: var(--c-primary-soft); color: var(--c-primary-hover); padding: 10px 12px; border-radius: 8px; font-size: 14px; }
    @media (max-width: 1280px) {
      .section h2 { font-size: 30px; }
      .hero h1 { font-size: 38px; }
    }
    @media (max-width: 1024px) {
      .section { padding: 84px 0; }
      .hero .container, .split, .calendar-wrap, .group-layout, .idea .container, .contact-grid, .news-feature, .foot-grid {
        grid-template-columns: 1fr;
      }
      .bento, .service-bento { grid-template-columns: 1fr 1fr; grid-template-rows: none; }
      .bento-card:nth-child(1), .service-bento article:nth-child(1), .service-bento article:nth-child(2) {
        grid-row: auto; grid-column: auto;
      }
      .nav-links { display: none; }
      .menu-toggle { display: inline-flex; }
      .masonry { grid-template-columns: 1fr 1fr; }
      .metrics-grid, .adv-grid, .prod-grid { grid-template-columns: 1fr 1fr; }
      .timeline { grid-template-columns: 1fr 1fr; }
      .timeline::before { display: none; }
      .split img, .story img { height: 320px; }
      .news-side article { grid-template-columns: 160px 1fr; }
    }
    @media (max-width: 768px) {
      .topbar-left span:nth-child(2) { display: none; }
      .hero { padding: 36px 0 72px; min-height: auto; }
      .hero h1 { font-size: 28px; }
      .hero-form, .hero-actions .btn-ghost { display: none; }
      .hero-mobile-cta { display: block; margin-top: 18px; }
      .week-grid { grid-template-columns: repeat(4, 1fr); }
      .slot-item { grid-template-columns: 1fr; }
      .bento, .service-bento, .adv-grid, .prod-grid, .metrics-grid, .guarantee, .logo-wall, .masonry {
        grid-template-columns: 1fr;
      }
      .case-card, .case-card:nth-child(3n-1) { grid-row: auto; }
      .story, .story:nth-child(even) { direction: ltr; grid-template-columns: 1fr; }
      .news-grid, .news-side article { grid-template-columns: 1fr; }
      .form-grid.two { grid-template-columns: 1fr; }
      .section h2 { font-size: 26px; }
      .copy { flex-direction: column; }
    }
    @media (max-width: 520px) {
      .topbar .topbar-left { display: none; }
      .hero h1 { font-size: 24px; }
      .week-grid { grid-template-columns: 1fr 1fr; }
      .timeline { grid-template-columns: 1fr; }
      .section { padding: 64px 0; }
      .idea { padding: 72px 0; }
    }
    .hero-mobile-cta { display: none; }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }

/* roulang page: index */
:root {
      --c-primary: #4A74A8;
      --c-primary-dark: #3E6494;
      --c-primary-soft: #EEF3F8;
      --c-wood: #A67C52;
      --c-wood-dark: #8E6844;
      --c-sand: #D4C4B0;
      --bg-page: #F6F3EE;
      --bg-card: #FFFFFF;
      --bg-alt: #EEF3F8;
      --bg-dark: #2C323C;
      --text: #2C2A26;
      --text-muted: #6B6560;
      --text-on-dark: #F4EFE8;
      --line: rgba(166, 124, 82, .28);
      --line-soft: rgba(44, 42, 38, .08);
      --radius-card: 12px;
      --radius-btn: 7px;
      --radius-img: 10px;
      --radius-input: 12px;
      --shadow: 0 8px 28px rgba(44, 61, 84, .08);
      --shadow-hover: 0 14px 36px rgba(44, 61, 84, .14);
      --container: 1220px;
      --nav-h: 78px;
      --space: 96px;
      --font-serif: "Noto Serif SC", "Source Han Serif SC", serif;
      --font-sans: "Noto Sans SC", "Source Han Sans SC", sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background: var(--bg-page);
      overflow-x: hidden;
    }
    body.nav-open { overflow: hidden; }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--c-primary); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
    a:hover { color: var(--c-primary-dark); }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; border: 0; background: none; }
    ul, ol { list-style: none; }
    h1, h2, h3 { font-family: var(--font-serif); font-weight: 700; line-height: 1.28; color: var(--text); }
    h2 { font-size: 32px; margin-bottom: 14px; }
    h3 { font-size: 22px; }
    p { color: var(--text-muted); }
    :focus-visible { outline: 2px solid var(--c-primary); outline-offset: 3px; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .skip {
      position: absolute; left: -999px; top: 8px;
    }
    .skip:focus { left: 12px; z-index: 80; background: #fff; padding: 8px 12px; }

    .site-header { position: relative; z-index: 50; }
    .info-bar {
      background: #EFE8DE;
      color: var(--text-muted);
      font-size: 13px;
      border-bottom: 1px solid var(--line);
    }
    .info-bar .container {
      display: flex; align-items: center; justify-content: space-between;
      min-height: 38px; gap: 16px; flex-wrap: wrap;
    }
    .info-bar a { color: var(--text); }
    .info-bar a:hover { color: var(--c-primary); }
    .info-left, .info-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .info-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--c-wood); display: inline-block; }
    .nav-bar {
      background: rgba(246, 243, 238, .94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid transparent;
      transition: box-shadow .2s ease, background .2s ease;
    }
    .nav-bar.is-sticky {
      position: sticky; top: 0;
      box-shadow: 0 8px 24px rgba(44, 61, 84, .08);
      border-bottom-color: var(--line-soft);
    }
    .nav-inner {
      display: flex; align-items: center; justify-content: space-between;
      min-height: var(--nav-h); gap: 18px;
    }
    .logo {
      display: flex; align-items: baseline; gap: 8px;
      color: var(--text); white-space: nowrap;
    }
    .logo:hover { color: var(--text); opacity: .86; }
    .logo-mark {
      font-family: var(--font-serif); font-size: 26px; font-weight: 700; letter-spacing: .04em;
    }
    .logo-sub { font-size: 13px; color: var(--c-wood); font-weight: 600; }
    .nav-menu { display: flex; align-items: center; gap: 4px; }
    .nav-menu a {
      position: relative; color: var(--text); font-size: 15px; font-weight: 500;
      padding: 10px 12px; min-height: 44px; display: inline-flex; align-items: center;
    }
    .nav-menu a::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px;
      height: 2px; background: var(--c-primary); transform: scaleX(0); transform-origin: left;
      transition: transform .2s ease;
    }
    .nav-menu a:hover, .nav-menu a.is-active { color: var(--c-primary); }
    .nav-menu a.is-active::after, .nav-menu a:hover::after { transform: scaleX(1); }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border-radius: 8px;
      border: 1px solid var(--line); align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .menu-toggle span { display: block; width: 18px; height: 2px; background: var(--text); transition: .2s ease; }
    .menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .menu-toggle.is-open span:nth-child(2) { opacity: 0; }
    .menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      min-height: 44px; padding: 0 18px; border-radius: var(--radius-btn);
      font-size: 15px; font-weight: 600; letter-spacing: .02em;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
      border: 1px solid transparent;
    }
    .btn:active { transform: translateY(1px); }
    .btn-primary { background: var(--c-primary); color: #fff; }
    .btn-primary:hover { background: var(--c-primary-dark); color: #fff; box-shadow: 0 1px 0 var(--c-wood); }
    .btn-ghost { background: #fff; color: var(--c-primary); border-color: var(--c-primary); }
    .btn-ghost:hover { background: var(--c-primary-soft); color: var(--c-primary-dark); }
    .btn-wood { background: var(--c-wood); color: #fff; }
    .btn-wood:hover { background: var(--c-wood-dark); color: #fff; }
    .btn-line { background: transparent; color: var(--text-on-dark); border-color: rgba(244, 239, 232, .55); }
    .btn-line:hover { background: rgba(255,255,255,.08); color: #fff; }
    .btn-block { width: 100%; }

    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 5px 10px; border-radius: 6px; font-size: 12px; font-weight: 600;
      background: #F3EBE1; color: var(--c-wood-dark); border: 1px solid var(--line);
    }
    .badge-blue { background: var(--c-primary-soft); color: var(--c-primary-dark); border-color: rgba(74,116,168,.2); }

    main section { scroll-margin-top: 86px; }
    .section { padding: var(--space) 0; }
    .section-alt { background: var(--bg-alt); }
    .section-head { max-width: 720px; margin-bottom: 36px; }
    .section-head.wide { max-width: 860px; }
    .kicker {
      display: inline-block; font-size: 13px; font-weight: 600; color: var(--c-wood);
      letter-spacing: .12em; margin-bottom: 8px;
    }
    .lead { font-size: 16px; line-height: 1.8; }

    .hero {
      position: relative; min-height: 90vh; display: flex; align-items: center;
      color: #fff; overflow: hidden;
    }
    .hero-slides, .hero-slide { position: absolute; inset: 0; }
    .hero-slide { opacity: 0; transition: opacity .7s ease; }
    .hero-slide.is-active { opacity: 1; z-index: 1; }
    .hero-slide img { width: 100%; height: 100%; object-fit: cover; }
    .hero-mask {
      position: absolute; inset: 0; z-index: 2;
      background: linear-gradient(90deg, rgba(28, 27, 24, .62) 0%, rgba(28, 27, 24, .38) 48%, rgba(28, 27, 24, .28) 100%);
    }
    .hero-grid {
      position: relative; z-index: 3; width: min(100% - 40px, var(--container));
      display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: center;
      padding: 48px 0 64px;
    }
    .brand-mark {
      color: var(--c-sand); font-size: 14px; font-weight: 600; letter-spacing: .18em; margin-bottom: 12px;
    }
    .hero h1, .slide-title {
      font-family: var(--font-serif); font-size: 46px; line-height: 1.22; color: #fff; margin-bottom: 18px; font-weight: 700;
    }
    .hero-copy-panel { display: none; }
    .hero-copy-panel.is-active { display: block; }
    .hero-intro { color: rgba(244, 239, 232, .92); max-width: 640px; margin-bottom: 24px; font-size: 16px; }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
    .hero-form {
      background: rgba(255,255,255,.96); color: var(--text); border-radius: 14px;
      padding: 26px; box-shadow: var(--shadow); border: 1px solid rgba(212,196,176,.5);
    }
    .hero-form h3 { font-size: 22px; margin-bottom: 6px; }
    .hero-form .form-note { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
    .form-row { margin-bottom: 12px; }
    .form-row label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
    .form-row input, .form-row select, .form-row textarea {
      width: 100%; min-height: 48px; border-radius: var(--radius-input);
      border: 1px solid rgba(166,124,82,.28); background: #fff; padding: 0 14px;
      color: var(--text); font-size: 15px; transition: border-color .2s ease, box-shadow .2s ease;
    }
    .form-row textarea { min-height: 92px; padding: 12px 14px; resize: vertical; }
    .form-row input:focus, .form-row select:focus, .form-row textarea:focus {
      outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 2px rgba(74,116,168,.2);
    }
    .check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 10px; }
    .check-grid label {
      display: flex; align-items: center; gap: 8px; min-height: 44px; font-size: 13px; font-weight: 500; margin: 0;
      color: var(--text-muted);
    }
    .check-grid input { width: 16px; height: 16px; accent-color: var(--c-primary); }
    .form-success {
      display: none; margin-top: 12px; padding: 12px 14px; border-radius: 8px;
      background: #E8F2EA; color: #2F6B3A; font-size: 14px;
    }
    .form-success.is-on { display: block; }
    .form-error { display: none; color: #A33B2B; font-size: 13px; margin-top: 8px; }
    .form-error.is-on { display: block; }
    .hero-nav {
      position: absolute; z-index: 4; left: 0; right: 0; bottom: 28px;
      width: min(100% - 40px, var(--container)); margin: 0 auto;
      display: flex; align-items: center; justify-content: space-between;
    }
    .hero-arrows { display: flex; gap: 8px; }
    .hero-arrow {
      width: 44px; height: 44px; border-radius: 8px; border: 1px solid rgba(255,255,255,.35);
      color: #fff; font-size: 18px; display: grid; place-items: center; background: rgba(28,27,24,.28);
    }
    .hero-arrow:hover { background: rgba(28,27,24,.5); }
    .hero-dots { display: flex; gap: 8px; }
    .hero-dots button {
      width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.4);
    }
    .hero-dots button.is-active { background: #fff; width: 22px; border-radius: 8px; }

    .cal-wrap { display: grid; grid-template-columns: 1.4fr .9fr; gap: 28px; }
    .week-grid {
      display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px;
    }
    .day-card {
      background: var(--bg-card); border: 1px solid var(--line); border-radius: 10px;
      padding: 16px 12px; min-height: 168px; box-shadow: var(--shadow);
    }
    .day-card b { display: block; font-size: 14px; margin-bottom: 8px; }
    .day-card span { display: block; font-size: 13px; color: var(--text-muted); line-height: 1.65; }
    .day-card.is-off { background: #EFEBE4; opacity: .86; }
    .slot-list { display: grid; gap: 12px; }
    .slot {
      background: var(--bg-card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; box-shadow: var(--shadow);
    }
    .slot h3 { font-size: 18px; margin-bottom: 8px; }
    .progress { height: 8px; background: #E7E0D6; border-radius: 8px; overflow: hidden; margin: 10px 0; }
    .progress > i { display: block; height: 100%; background: var(--c-primary); border-radius: 8px; }
    .slot .meta { font-size: 13px; color: var(--text-muted); }

    .topic-grid {
      display: grid; grid-template-columns: 1.25fr 1fr 1fr; grid-template-rows: 240px 240px; gap: 16px;
    }
    .topic-card {
      position: relative; overflow: hidden; border-radius: var(--radius-card);
      border: 1px solid var(--line); box-shadow: var(--shadow); color: #fff; display: flex; align-items: flex-end;
      min-height: 180px; transition: transform .25s ease, box-shadow .25s ease;
    }
    .topic-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); color: #fff; }
    .topic-card.lg { grid-row: span 2; min-height: 496px; }
    .topic-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .topic-card .cap {
      position: relative; z-index: 2; width: 100%; padding: 22px;
      background: linear-gradient(180deg, transparent, rgba(24,23,21,.72));
    }
    .topic-card h3 { color: #fff; margin-bottom: 6px; }
    .topic-card p { color: rgba(255,255,255,.88); font-size: 14px; }

    .intro-split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
    .intro-photo { border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); }
    .intro-photo img { width: 100%; height: 520px; object-fit: cover; }
    .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 22px; }
    .intro-points { display: grid; gap: 12px; }
    .intro-points li {
      padding-left: 18px; position: relative; color: var(--text-muted); font-size: 15px;
    }
    .intro-points li::before {
      content: ""; position: absolute; left: 0; top: 10px; width: 8px; height: 8px;
      border: 2px solid var(--c-wood); border-radius: 2px;
    }

    .adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .adv-card {
      background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius-card);
      padding: 28px; box-shadow: var(--shadow); transition: transform .25s ease, box-shadow .25s ease;
    }
    .adv-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .icon-line {
      width: 42px; height: 42px; border-radius: 8px; display: grid; place-items: center;
      border: 1px solid var(--line); color: var(--c-primary); margin-bottom: 14px; font-size: 18px;
    }
    .adv-card h3 { font-size: 20px; margin-bottom: 10px; }
    .adv-card li { font-size: 14px; color: var(--text-muted); padding: 4px 0 4px 14px; position: relative; }
    .adv-card li::before { content: ""; width: 5px; height: 5px; background: var(--c-sand); border-radius: 50%; position: absolute; left: 0; top: 12px; }

    .stat-bar {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
      background: var(--c-primary-soft); border: 1px solid rgba(74,116,168,.14);
      border-radius: 14px; padding: 28px 12px;
    }
    .stat { text-align: center; }
    .stat b {
      display: block; font-family: var(--font-serif); font-size: 40px; color: var(--c-primary);
      font-variant-numeric: tabular-nums; line-height: 1.1;
    }
    .stat span { font-size: 14px; color: var(--text-muted); }

    .product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .product-card {
      background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius-card);
      overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column;
      transition: transform .25s ease, box-shadow .25s ease;
    }
    .product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .product-card .thumb { aspect-ratio: 3/2; overflow: hidden; }
    .product-card img { width: 100%; height: 100%; object-fit: cover; }
    .product-card .body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .tags { display: flex; gap: 8px; flex-wrap: wrap; }
    .tag { font-size: 12px; padding: 4px 8px; border-radius: 6px; background: var(--bg-page); color: var(--text-muted); border: 1px solid var(--line); }

    .timeline {
      display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; position: relative;
    }
    .timeline::before {
      content: ""; position: absolute; left: 4%; right: 4%; top: 28px; height: 1px; background: var(--c-sand);
    }
    .step {
      background: var(--bg-card); border: 1px solid var(--line); border-radius: 12px; padding: 22px 16px 18px;
      position: relative; box-shadow: var(--shadow);
    }
    .step-num {
      width: 36px; height: 36px; border-radius: 50%; background: var(--c-primary); color: #fff;
      display: grid; place-items: center; font-size: 14px; font-weight: 700; margin-bottom: 12px; position: relative; z-index: 1;
    }
    .step h3 { font-size: 17px; margin-bottom: 8px; }
    .step p { font-size: 14px; }

    .mat-split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
    .mat-split img { width: 100%; height: 460px; object-fit: cover; border-radius: 12px; border: 1px solid var(--line); }
    .spec {
      width: 100%; border-collapse: collapse; margin-top: 18px; font-size: 14px;
    }
    .spec th, .spec td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line-soft); }
    .spec th { width: 28%; color: var(--text); font-weight: 600; }
    .spec td { color: var(--text-muted); }

    .idea {
      background: #3A4656; color: var(--text-on-dark); padding: 0; overflow: hidden;
    }
    .idea-grid { display: grid; grid-template-columns: 1.1fr .9fr; min-height: 520px; }
    .idea-copy { padding: 88px 24px 88px 0; }
    .idea h2, .idea p { color: var(--text-on-dark); }
    .idea p { color: rgba(244,239,232,.82); max-width: 560px; margin: 16px 0 28px; }
    .idea-photo { position: relative; min-height: 420px; }
    .idea-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(.9); }

    .case-wall {
      display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 118px; gap: 12px;
    }
    .case-item {
      position: relative; overflow: hidden; border-radius: 12px; border: 1px solid var(--line);
      cursor: pointer; box-shadow: var(--shadow); min-height: 118px;
    }
    .case-item img { width: 100%; height: 100%; object-fit: cover; }
    .case-item figcaption {
      position: absolute; left: 0; right: 0; bottom: 0; padding: 14px 16px;
      background: linear-gradient(180deg, transparent, rgba(24,23,21,.78)); color: #fff;
    }
    .case-item h3 { color: #fff; font-size: 18px; }
    .case-item span { display: block; font-size: 13px; color: rgba(255,255,255,.82); }
    .c1 { grid-column: span 7; grid-row: span 3; }
    .c2 { grid-column: span 5; grid-row: span 2; }
    .c3 { grid-column: span 5; grid-row: span 2; }
    .c4 { grid-column: span 4; grid-row: span 2; }
    .c5 { grid-column: span 4; grid-row: span 2; }
    .c6 { grid-column: span 4; grid-row: span 2; }
    .c7 { grid-column: span 6; grid-row: span 2; }
    .c8 { grid-column: span 6; grid-row: span 2; }

    .story-list { display: grid; gap: 18px; }
    .story {
      display: grid; grid-template-columns: 280px 1fr; gap: 0;
      background: var(--bg-card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow);
    }
    .story img { width: 100%; height: 100%; object-fit: cover; min-height: 240px; }
    .story-body { padding: 28px 32px; }
    .story-body h3 { margin-bottom: 8px; }
    .quote { font-size: 16px; color: var(--text); margin: 10px 0 12px; }

    .review-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .review {
      background: var(--bg-card); border: 1px solid var(--line); border-radius: 12px; padding: 22px; box-shadow: var(--shadow);
    }
    .stars { color: var(--c-wood); letter-spacing: 2px; font-size: 14px; margin-bottom: 8px; }
    .review h3 { font-size: 16px; margin-bottom: 8px; }
    .review p { font-size: 14px; }

    .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .news-card {
      background: var(--bg-card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow);
      transition: transform .25s ease, box-shadow .25s ease;
    }
    .news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .news-card img { width: 100%; height: 150px; object-fit: cover; }
    .news-card .body { padding: 18px; }
    .news-card time { font-size: 12px; color: var(--c-wood); }
    .news-card h3 { font-size: 18px; margin: 6px 0 8px; }
    .news-card p { font-size: 14px; }
    .news-more { margin-top: 22px; }

    .media-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; }
    .media-feature {
      position: relative; min-height: 360px; border-radius: 12px; overflow: hidden; border: 1px solid var(--line);
    }
    .media-feature img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
    .media-feature .cap {
      position: absolute; left: 0; right: 0; bottom: 0; padding: 24px;
      background: linear-gradient(180deg, transparent, rgba(24,23,21,.8)); color: #fff;
    }
    .media-feature h3 { color: #fff; }
    .media-list { display: grid; gap: 12px; }
    .media-item {
      display: grid; grid-template-columns: 96px 1fr; gap: 12px; background: var(--bg-card);
      border: 1px solid var(--line); border-radius: 10px; overflow: hidden; padding: 0; box-shadow: var(--shadow);
    }
    .media-item img { width: 96px; height: 86px; object-fit: cover; }
    .media-item div { padding: 10px 12px 10px 0; }
    .media-item h3 { font-size: 16px; }
    .media-item p { font-size: 13px; }
    .partner-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 28px; }
    .partner {
      min-height: 64px; display: grid; place-items: center; text-align: center;
      border: 1px solid #D9D3CB; color: #8A847C; border-radius: 8px; background: #FBF9F6;
      font-size: 14px; padding: 12px; transition: border-color .2s ease, color .2s ease;
    }
    .partner:hover { border-color: var(--c-wood); color: var(--c-wood-dark); }

    .faq-list { display: grid; gap: 10px; max-width: 920px; }
    .faq-item { background: var(--bg-card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
    .faq-q {
      width: 100%; min-height: 58px; padding: 14px 52px 14px 18px; text-align: left; font-size: 16px; font-weight: 600;
      position: relative; color: var(--text);
    }
    .faq-q::after {
      content: ""; position: absolute; right: 20px; top: 50%; width: 10px; height: 10px;
      border-right: 2px solid var(--c-primary); border-bottom: 2px solid var(--c-primary);
      transform: translateY(-70%) rotate(45deg); transition: transform .2s ease;
    }
    .faq-item.is-open .faq-q::after { transform: translateY(-20%) rotate(225deg); }
    .faq-a { display: none; padding: 0 18px 16px; background: #F8F4EE; color: var(--text-muted); font-size: 15px; }
    .faq-item.is-open .faq-a { display: block; }

    .guarantee {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
      background: var(--c-primary-soft); border-radius: 14px; padding: 22px;
    }
    .g-item { display: flex; gap: 12px; align-items: flex-start; padding: 8px; }
    .g-ico {
      width: 40px; height: 40px; border-radius: 8px; background: #fff; color: var(--c-primary);
      display: grid; place-items: center; flex: none; border: 1px solid rgba(74,116,168,.2); font-weight: 700;
    }
    .g-item h3 { font-size: 16px; margin-bottom: 4px; }
    .g-item p { font-size: 13px; }

    .contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 36px; }
    .contact-card {
      background: var(--bg-card); border: 1px solid var(--line); border-radius: 14px; padding: 28px; box-shadow: var(--shadow);
    }
    .map-block {
      margin-top: 16px; height: 220px; border-radius: 12px; overflow: hidden; position: relative; border: 1px solid var(--line);
    }
    .map-block img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.25) saturate(.8); }
    .map-label {
      position: absolute; left: 12px; bottom: 12px; background: rgba(255,255,255,.94);
      padding: 8px 12px; border-radius: 8px; font-size: 13px; color: var(--text);
    }
    .contact-lines { display: grid; gap: 8px; margin: 12px 0 18px; color: var(--text-muted); font-size: 15px; }

    .cta-band {
      background: var(--c-primary); color: #fff; padding: 42px 0;
    }
    .cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
    .cta-band h2 { color: #fff; font-size: 28px; margin: 0; }
    .cta-band p { color: rgba(255,255,255,.86); margin: 6px 0 0; }
    .cta-band .btn-ghost { border-color: #fff; color: var(--c-primary); }

    .site-footer {
      background: #2C2A26; color: rgba(244,239,232,.78); padding: 56px 0 24px; font-size: 14px;
    }
    .foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1.1fr 1fr; gap: 28px; margin-bottom: 28px; }
    .site-footer h3 { color: #fff; font-size: 16px; margin-bottom: 12px; font-family: var(--font-sans); }
    .site-footer a { color: rgba(244,239,232,.78); }
    .site-footer a:hover { color: #fff; }
    .foot-logo { font-family: var(--font-serif); color: #fff; font-size: 22px; margin-bottom: 10px; }
    .foot-nav { display: grid; gap: 8px; }
    .copy { border-top: 1px solid rgba(255,255,255,.08); padding-top: 16px; font-size: 13px; color: rgba(244,239,232,.55); }

    .lightbox {
      position: fixed; inset: 0; background: rgba(20,18,16,.82); display: none;
      align-items: center; justify-content: center; z-index: 80; padding: 24px;
    }
    .lightbox.is-on { display: flex; }
    .lightbox img { max-width: min(1080px, 92vw); max-height: 82vh; border-radius: 10px; }
    .lightbox-close {
      position: absolute; top: 18px; right: 18px; width: 44px; height: 44px; border-radius: 8px;
      background: #fff; color: var(--text); font-size: 22px;
    }
    .lightbox p { position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); color: #fff; }

    @media (max-width: 1200px) {
      h2 { font-size: 28px; }
      .hero h1, .slide-title { font-size: 40px; }
      .topic-grid { grid-template-rows: 210px 210px; }
      .review-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 992px) {
      :root { --space: 72px; --nav-h: 68px; }
      .nav-cta .btn { display: none; }
      .menu-toggle { display: inline-flex; }
      .nav-menu {
        position: fixed; left: 0; right: 0; top: 106px; background: #fff;
        display: none; flex-direction: column; padding: 12px 8px 20px;
        border-bottom: 1px solid var(--line); box-shadow: var(--shadow); z-index: 40;
      }
      .nav-bar.is-sticky .nav-menu { top: 68px; }
      .nav-menu.is-open { display: flex; }
      .nav-menu a { min-height: 48px; width: 100%; }
      .hero { min-height: 78vh; }
      .hero-grid, .cal-wrap, .intro-split, .mat-split, .idea-grid, .contact-grid, .media-layout { grid-template-columns: 1fr; }
      .hero-grid { padding-top: 36px; }
      .idea-copy { padding: 56px 0 24px; }
      .idea-photo { min-height: 280px; }
      .intro-photo img, .mat-split img { height: 360px; }
      .adv-grid, .product-grid, .timeline, .guarantee, .partner-row { grid-template-columns: 1fr 1fr; }
      .timeline::before { display: none; }
      .topic-grid { grid-template-columns: 1fr 1fr; grid-template-rows: none; }
      .topic-card.lg { grid-row: auto; grid-column: span 2; min-height: 320px; }
      .story { grid-template-columns: 1fr; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .info-bar { display: none; }
      .hero { min-height: 70vh; }
      .hero h1, .slide-title { font-size: 30px; }
      .hero-arrow { display: none; }
      .week-grid, .stat-bar, .adv-grid, .product-grid, .timeline, .review-grid, .news-grid, .guarantee, .partner-row, .check-grid {
        grid-template-columns: 1fr;
      }
      .topic-grid { grid-template-columns: 1fr; }
      .topic-card.lg { grid-column: auto; min-height: 280px; }
      .case-wall { grid-template-columns: 1fr; grid-auto-rows: 200px; }
      .c1, .c2, .c3, .c4, .c5, .c6, .c7, .c8 { grid-column: auto; grid-row: auto; }
      .day-card { min-height: auto; }
      .foot-grid { grid-template-columns: 1fr; }
      h2 { font-size: 26px; }
    }
    @media (max-width: 520px) {
      .container { width: min(100% - 28px, var(--container)); }
      .hero-form { padding: 18px; }
      .section { padding: 64px 0; }
      .logo-mark { font-size: 22px; }
    }
    @media (max-width: 375px) {
      .hero h1, .slide-title { font-size: 26px; }
      .btn { width: 100%; }
      .hero-actions { width: 100%; }
    }